在签署之前，我需要时间仔细研究这份合同。

I want time to ___study this contract before signing it.

她仔细研究了刺绣，想看看是怎么做的。

She ___studied the embroidery to see how it was done.

我到达那里的第一件事就是仔细研究城市地图，然后出去散步。

The first thing I did when I arrived there was to ___study the city map, and then I went out for a walk.